TLD1121EL Datasheet, PDF (23/31 Pages) Infineon Technologies AG – 1 Channel High Side Current Source Basic LED Driver

TLD1121EL
Load Diagnosis
8.3
Electrical Characteristics IN_SET Pin and Load Diagnosis
Electrical Characteristics IN_SET pin and Load Diagnosis
Unless otherwise specified: V_S = 5.5 V to 40 V, T_j = -40 °C to +150 °C, R_SET = 12 kΩ, all voltages with respect to
ground, positive current flowing into pin for input pins (I), positive currents flowing out of the I/O and output pins
(O) (unless otherwise specified)
Pos. Parameter
Symbol
Limit Values
Unit Conditions
8.3.1
8.3.2
IN_SET reference
voltage
IN_SET open load/short
circuit voltage
V_{IN_SET(ref)}
Min.
1.19
V_{IN_SET(OL/SC)} 4
Typ.
1.23
–
8.3.3 IN_SET open load/short I_{IN_SET(OL/SC)} 1.5
–
circuit current
Max.
1.27 V
5.5
V
7.4
mA
1) _{VOUT = 3.6 V}
T_j = 25...115 °C
1) _{VS > 8 V}
T_j = 25...150 °C
V_S = V_OUT (OL) or V_OUTx
= 0 V (SC)
1) _{VS > 8 V}
T_j = 25...150 °C
V_{IN_SET} = 4 V
V_S = V_OUT (OL) or V_OUT =
0 V (SC)
8.3.4
ST device turn on
threshold (active low) in
case of voltage applied
from external (ST-pin
acting as input)
V_ST(L)
0.8
–
–
V
–
8.3.5
ST device turn off
threshold (active low) in
case of voltage applied
from external (ST-pin
acting as input)
V_ST(H)
–
–
2.5
V
–
8.3.6 ST pull down current
I_ST(PD)
–
–
8.3.7 ST open load/short
V_ST(OL/SC)
4
–
circuit voltage (ST-pin
acting as diagnosis
output)
8.3.8
ST open load/short
circuit current (ST-pin
acting as diagnosis
output)
I_ST(OL/SC)
100 –
8.3.9
8.3.10
8.3.11
8.3.12
OL detection filter time
OL detection voltage
V_PS(OL) = V_S - V_OUT
Short circuit to GND
detection threshold
SC detection filter time
t_OL
V_PS(OL)
V_OUT(SC)
t_SC
10
22
0.2
–
0.8
–
10
22
15
µA
V_EN = 5.5 V
V_ST= 0.8 V
5.5
V
1) _{VS > 8 V}
T_j = 25...150 °C
R_ST = 470 kΩ
V_S = V_OUT (OL) or V_OUT =
0 V (SC)
220
µA
1) _{VS > 8 V}
T_j = 25...150 °C
V_ST = 2.5 V
V_S = V_OUT (OL) or V_OUT =
0 V (SC)
35
µs
1) _{VS > 8 V}
0.4
V
V_S > 8 V
1.4
V
V_S > 8 V
35
µs
1) _{VS > 8 V}
Data Sheet
23
Rev. 1.0, 2013-08-08